@misc{indiciae8630ca1650fb, title = {Frictional forces related to self-ligating brackets.}, author = {L Pizzoni and G Ravnholt and B Melsen}, year = {1998}, doi = {10.1093/ejo/20.3.283}, url = {https://pubmed.ncbi.nlm.nih.gov/9699406/}, note = {Source identifier: 9699406} }